In 2014, Lam had his licence suspended for six months for dangerous driving after he drove in the wrong lane at the junction of Wang Chiu Road and Cheung Yip Street in Kowloon Bay.[2]

On 18 June 2015, Lam famously orchestrated the departure of the majority of the pro-Beijing Legislative Councillors from the legislative chamber just moments before votes were to be cast on the long-awaited Beijing-ordered Chief Executive election reform legislation which they intended to support. The legislation was voted down, 28 to 8. The few voting for were present only because Lam had failed to communicate the walkout to them effectively, and thereby contributed to the quorum required for the ballot to take place.[3] Lam apologised and also fought back tears. In a WhatsApp message circulated among pro-Beijing allies, Lam described Thursday as "the saddest day" of his 11 years in Legco. "I have learnt a very painful lesson," he said.[4]